arm64: dma-mapping: Add missing debug information



Ensure the calling function is passed to dma_common_contiguous_remap.
This helps to track how a particular vm_struct is created.

Change-Id: I3194d5eaa92b39c735652302b2744f8fd165fb51
Signed-off-by: Patrick Daly <pdaly@codeaurora.org>

parent 16ff8166

arch/arm64/mm/dma-mapping.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -255,7 +255,8 @@ static void __dma_alloc(struct device dev, size_t size,
		page = virt_to_page(ptr);
		prot = __get_dma_pgprot(attrs, __pgprot(PROT_NORMAL_NC), false);
		coherent_ptr = dma_common_contiguous_remap(
		page, size, VM_USERMAP, prot, NULL);
		page, size, VM_USERMAP, prot,
		__builtin_return_address(0));
		if (!coherent_ptr)
		goto no_map;
		}